physics::time::gregorian Namespace Reference

Gregorian calender time. More...

Functions
template<class T >
T	to_jd (int year, int month, int day, int hour, int minute, T second, T utc)
	Calculates the JD time from a Gregorian date and time. More...
template<class T >
T	to_ut1 (int year, int month, int day, int hour, int minute, T second, T utc)
	Calculates the UT1 time from a Gregorian date and time. More...

Detailed Description

Gregorian calender time.

Function Documentation

to_jd()

template<class T >

T physics::time::gregorian::to_jd	(	int	year,
		int	month,
		int	day,
		int	hour,
		int	minute,
		T	second,
		T	utc
	)

Calculates the JD time from a Gregorian date and time.

Valid for all dates after November 23, −4713.

Parameters

year	Astronomical year numbering. 1 BC is 0, 2 BC is -1.
month	Month number on [1, 12].
day	Day number on [1, 31].
hour	Hour number on [0, 23].
minute	Minute number on [0, 59].
second	Fractional second on [0.0, 60.0).
utc	UTC offset.

Returns

JD time.

See also

L. E. Doggett, Ch. 12, "Calendars", p. 606, in Seidelmann 1992

Definition at line 47 of file gregorian.hpp.

to_ut1()

template<class T >

T physics::time::gregorian::to_ut1	(	int	year,
		int	month,
		int	day,
		int	hour,
		int	minute,
		T	second,
		T	utc
	)

Calculates the UT1 time from a Gregorian date and time.

Valid for all dates after November 23, −4713.

Parameters

year	Astronomical year numbering. 1 BC is 0, 2 BC is -1.
month	Month number on [1, 12].
day	Day number on [1, 31].
hour	Hour number on [0, 23].
minute	Minute number on [0, 59].
second	Fractional second on [0.0, 60.0).
utc	UTC offset.

Returns

UT1 time.

Definition at line 67 of file gregorian.hpp.